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    • Early AM

      Mar 26

      35° Lo
      A shower possible
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Today

      Mar 26

      48° /30°
      Cloudy, a little rain; cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Mon

      Mar 27

      57° /35°F
      Periods of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Tue

      Mar 28

      49° /33°
      Rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Mar 29

      40° /30°
      Morning rain; cloudy, colder
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    57°Hi RealFeel® 59° Precipitation 25%
    Periods of clouds and sunshine
    • S 9 mph
    • Gusts: 15 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 3%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    35°Lo RealFeel® 30° Precipitation 25%
    Considerable cloudiness
    • S 7 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 21%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Castle Rock Pollen Levels Mar 27

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 3/27/2016
    High 57° 55° N/A 46°
    Low 35° 29° N/A 18°

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 7:18 PM
    • Duration: 12:26 hr

    Moonrise/Moonset

    • Moonrise: 6:48 AM
    • Moonset: 7:04 PM
    • Duration: 12:16 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps